Module: RailsApiPaginate

Defined in:
lib/rails_api_paginate.rb,
lib/rails_api_paginate/version.rb,
lib/generators/rails_api_paginate/install_generator.rb

Defined Under Namespace

Modules: Generators

Constant Summary collapse

VERSION = 
'6.0.0'

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.setup {|_self| ... } ⇒ Object

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/rails_api_paginate.rb', line 6

def self.setup
  yield self
end

Instance Method Details

#paginate(collection) ⇒ Object 



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# File 'lib/rails_api_paginate.rb', line 10

def paginate(collection)
  current_page = (params[:page].to_i)
  current_page = 1 if current_page < 1

  per_page = params[:per_page].to_i
  per_page = default_per_page if per_page < 1 || per_page > max_per_page

  total_items = collection.count
  total_pages = (total_items.to_f / per_page).ceil

  next_page = current_page + 1 if current_page < total_pages
  prev_page = current_page - 1 if current_page > 1 && current_page < total_pages

  records = collection.limit(per_page).offset(per_page * (current_page - 1))

  return records, {
    current_page: current_page,
    next_page: next_page,
    prev_page: prev_page,
    total_pages: total_pages,
    total_items: total_items
  }
end